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ASong：Ibelieve(我相信)eg1.Thisisasong(thatwearefamiliarwith.)eg2.Hedidn’tbuythephone,(whichisveryexpensive.)概念：修饰______________的句子叫定语从句。位置：定语从句放在被修饰的名词/代词的______,其中被定语从句修饰的名词或代词叫________，引导定语从句的连词叫做__________分类：______________和_________________.名词或代词后面先行词关系词限制性定语从句非限制性定语从句标志：有没有逗号根据考纲要求，高考对定语从句的考查主要侧重以下几个方面：关系代词及关系副词的用法；能区分定语从句与同位语从句；介词＋关系代词的用法等几方面。考题难度适中，同时，定语从句还经常与强调句型结合考查，考查学生对句式结构的掌握程度。此外，表地点、时间的先行词模糊化成为近年来高考的热点和难点。1.that与which2.as的用法3.介词+关系代词4.抽象地点类名词后的定语从句5.theway引导的定语从句6.综合考查考点难点关系代词：指人指物主语宾语表语定语whomwhowhichthatwhose√√as√√√√√√√√√√√√√√√√√√√√√注意：做宾语时可以省略关系副词先行词在从句中充当成分when表示时间的n.where表示地点的n.why表示原因的n.基础知识回顾:关系词及其意义时间状语地点状语原因状语基础题型：1.Theman_______livesnexttoussellsvegetables.2.Aplaneisamachine_________canfly.3.Thisisthescientist__________nameisknowntoall.4.Doyouremembertheday__________wefirstmet?5.Theschool____________westudyisbeautiful.6.Thereason__________hewaslatewasthathemissedthetrain.who/thatwhich/thatwhosewhenwhywhere易错易混淆题（注意分析从句的句子成分）1.Doyouremembertheday______________wespentonthefarm?Doyouremembertheday____________wefirstarrivedhere?2.Theroom__________weliveisbig.Theroom_______________wecanseeisbig.3.Isthisthereason_________heexplainedatthemeetingforhiscarelessinhiswork.Isthisthereason_______hedidnotcome?that/which/不填whenwherethat/which/不填thatwhy1.Weshoulddoeverythingthatisgoodforourstudies.2.Youcantakeanyseatthatisfree.3.Thisistheonlythingthatwecando.4.TheisthefirstplacethatIwanttovisit.5.ThisisthemostinterestingbookthatIhaveeverread.6.Wetalkedaboutthethingsandpersonsthatwewereinterestedin.7.Ourschoolisnolongertheplacethatitusedtobe.8.Whoistheboythatspoketoyou?9.Thereisaseatinthecorner(that)isstillfree.考点1：that与which的区别1.先行词是不定代词all,everything,anything,nothing,something,much,little,few,none,theone时,或被不定代词修饰时。2.先行词被theonly,thevery,thesame,thelast修饰时。3.先行词被序数词、形容词最高级修饰或先行词本身就是序数词、形容词最高级时；4.先行词既有人又有物时；5.先行词在从句中做表语时。6.therebe句型。7.当主句是以who或which开头时,定语从句用that,避免重复.当先行词是事物时，只用that不用which的情况：1.Thisisthetrainby_______wewenttoBeijing.2.Football,_________isaveryinterestinggame,isplayedallovertheworld.1.Those__________breakthelawshouldbepunished.whichwhichwho只用which不用that的情况：只用who不用that的情况：1.介词后。2.在非限制定语从句中3.______isknowntoall,heisthebeststudent.4.Jimpassedthedrivingtest,_____surprisedeverybodyintheoffice.Aswhich/asas\that\which1.Itissuchabigstone_____nobodycanlift.2.Itissuchabigstone_____nobodycanliftit.asthat归纳：as引导限制性定语从句先行词前常被such,thesame,so,as修饰，即构成such…as,thesame…as,so…as结构。as在定语从句中应充当成分如：主语、宾语或表语。as与which引导非限制性定语从句都能指代整句内容，as引导的定语从句可位于句首，有“正如”的意思；而which只能位于主句后。考点2：as的用法模拟训练：1.Heissuchalazyman_____nobodywantstoworkwith.A.whichB.thatC.asD.whom2.Mrs.Blacktookthepolicebackto____place____shewitnessedtherobbery.A.thesame;asB.thesame;whereC.thesame;thatD.asthesame;as1.Doyouknowtheboy______yourmotheristalking?2.Hegavemesomenovels_________Iamnotveryfamiliar.3.Hegavemesomenovels___________Iamnotveryfamiliarwith.4.ThisisthechildIwilllookafter.withwhomwithwhichwhich/that/不填考点3：“介词+关系代词”引导的定语从句“介词+关系代词”引导定语从句时,关系代词只能用which、whom，即：介词+which、whom。whom/that1.I’vecometothepointwhereIcan’tstandhim.2.Thecountryisinthesituationwhereawarwillbreakoutatanytime.我已经到了无法容忍他的地步了。国家正处在随时有可能爆发战争的局势中。难点一：抽象地点名词后的定语从句如果定语从句先行词是point,situation,stage,condition，position和case等表示抽象意义的词，如果引导词在从句中作状语，常用where引导定语从句,译为“到了某种地步，在某种境况中”；如果不作状语，则用that/which.1.Wearetryingtoreachapoint____bothsideswillsitdowntogetherandtalk.（06山东）A.whichB.thatC.whereD.when2.---Doyouhaveanythingtosayforyourself?---Yes,there’sonepoint____wemustinsiston.（06江西）A.whyB.whereC.howD./高考题链接：做题要灵活：要分析句子成分，选择恰当的关系词。填上合适的关系词并分析原因：1.Theway_________________heexplainedthesentencetouswasquiteeasy.2.Theway_________________heexplainedtouswasquiteeasy.that/which/不填inwhich缺状语缺宾语难点二：先行词way引导的定语从句的关系词有三种形式。3.Whatsurprisedmewasnotwhathesaidbut_____hesaidit.（04湖北）A.thewayB.inthewaythatC.inthewayD.thewaywhich高考题链接：1.Thisisthelibrary_____Iborrowedthebook.2.Itisfromthislibrary____Iborrowedthebook.where定语从句that强调句型综合考查一：定语从句与强调句3.---WheredidyoulastseeMr.Smith?---Itwasinthehotel____Ilived.A.thatB.whichC.whereD.when难点三.综合考查近年来，高考对定语从句和其它从句如：强调句、名词性从句和状语从句等的综合考查越来越多，这就要求考生有扎实的基础知识和较强的综合分析能力。友情提示thatIsawMr.Smith.综合考查二：定语从句与同位语从句的区别1.Weallhaveheardthenews_____ourteamwon.2.Wedon’tbelieveinthenews_________hetoldusyesterday.thatthat/which1.定语从句是修饰限定名词或代词的，而同位语从句是解释说明名词或代词的内容；2.在定语从句中，that充当成分，而且作宾语时可省；在同位语从句中，that不充当任何成分且不可省；（同位语从句）（定语从句）定语从句的解题步骤：1.判断是否是定语从句；2.找到先行词，判断先行词是人还是物；3.分析先行词在定语从句中所充当的成分，如果从句缺少主、宾、表或定语，选择关系代词；如果从句不缺少主、宾语、表语，则选择关系副词。关系代词先行词在从句中充当成分who指人主、宾、表语whom指人宾语whose指人或物定语that指人或物主、宾、表语which指物主、宾、表语as指人或物主、宾、表语关系副词先行词在从句中充当成分when指时间时间状语where指地点地点状语why指原因原因状语